Home / 2,079,772.30-3,119,658.45-1,180,866.70

Finding the Fourth Proportional to 2,079,772.30, 3,119,658.45 and 1,180,866.70

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Solution

The fourth proportional to 2,079,772.30, 3,119,658.45 and 1,180,866.70 is: 1,771,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,772.30 : 3,119,658.45 = 1,180,866.70 : x
  2. Step 2: Convert to fraction form
    2,079,772.30/3,119,658.45 = 1,180,866.70/x
  3. Step 3: Cross multiply
    2,079,772.30x = 3,119,658.45 × 1,180,866.70
  4. Step 4: Simplify right side
    2,079,772.30x = 3,683,900,778,978.62
  5. Step 5: Solve for x
    x = 3,683,900,778,978.62/2,079,772.30
  6. Step 6: Final answer
    x = 1,771,300.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.